From f7065b99ee73c5812e29df6be5790ffa64bab18f Mon Sep 17 00:00:00 2001
From: Allan Jardine <allan@datatables.net>
Date: Thu, 21 May 2020 09:47:21 +0000
Subject: [PATCH] Fix: Protect against draw being 0

https://datatables.net/forums/discussion/61529/question-about-serverside-draw-parameter#latest
---
 .datatables-commit-sync           | 2 +-
 media/js/jquery.dataTables.js     | 2 +-
 media/js/jquery.dataTables.min.js | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.datatables-commit-sync b/.datatables-commit-sync
index c0cff347..238b51b8 100644
--- a/.datatables-commit-sync
+++ b/.datatables-commit-sync
@@ -1 +1 @@
-54a07e325d9177beb509f319fee65ec15ed74790
+f718d43dbe61364b2dc158ff3b04933b202f999f
diff --git a/media/js/jquery.dataTables.js b/media/js/jquery.dataTables.js
index 17d18682..8c0f5518 100644
--- a/media/js/jquery.dataTables.js
+++ b/media/js/jquery.dataTables.js
@@ -4112,7 +4112,7 @@
 		var recordsTotal    = compat( 'iTotalRecords',        'recordsTotal' );
 		var recordsFiltered = compat( 'iTotalDisplayRecords', 'recordsFiltered' );
 	
-		if ( draw ) {
+		if ( draw !== undefined ) {
 			// Protect against out of sequence returns
 			if ( draw*1 < settings.iDraw ) {
 				return;
diff --git a/media/js/jquery.dataTables.min.js b/media/js/jquery.dataTables.min.js
index c11a705c..613f6feb 100644
--- a/media/js/jquery.dataTables.min.js
+++ b/media/js/jquery.dataTables.min.js
@@ -50,8 +50,8 @@ h.data){var l=h.data;var m="function"===typeof l?l(b,a):l;b="function"===typeof
 a.sAjaxSource,f.map(b,function(a,b){return{name:b,value:a}}),k,a):a.sAjaxSource||"string"===typeof h?a.jqXHR=f.ajax(f.extend(m,{url:h||a.sAjaxSource})):"function"===typeof h?a.jqXHR=h.call(g,b,k,a):(a.jqXHR=f.ajax(f.extend(m,h)),h.data=l)}function pb(a){return a.bAjaxDataGet?(a.iDraw++,J(a,!0),ua(a,yb(a),function(b){zb(a,b)}),!1):!0}function yb(a){var b=a.aoColumns,c=b.length,d=a.oFeatures,e=a.oPreviousSearch,h=a.aoPreSearchCols,g=[],k=X(a);var l=a._iDisplayStart;var m=!1!==d.bPaginate?a._iDisplayLength:
 -1;var p=function(a,b){g.push({name:a,value:b})};p("sEcho",a.iDraw);p("iColumns",c);p("sColumns",K(b,"sName").join(","));p("iDisplayStart",l);p("iDisplayLength",m);var n={draw:a.iDraw,columns:[],order:[],start:l,length:m,search:{value:e.sSearch,regex:e.bRegex}};for(l=0;l<c;l++){var u=b[l];var ra=h[l];m="function"==typeof u.mData?"function":u.mData;n.columns.push({data:m,name:u.sName,searchable:u.bSearchable,orderable:u.bSortable,search:{value:ra.sSearch,regex:ra.bRegex}});p("mDataProp_"+l,m);d.bFilter&&
 (p("sSearch_"+l,ra.sSearch),p("bRegex_"+l,ra.bRegex),p("bSearchable_"+l,u.bSearchable));d.bSort&&p("bSortable_"+l,u.bSortable)}d.bFilter&&(p("sSearch",e.sSearch),p("bRegex",e.bRegex));d.bSort&&(f.each(k,function(a,b){n.order.push({column:b.col,dir:b.dir});p("iSortCol_"+a,b.col);p("sSortDir_"+a,b.dir)}),p("iSortingCols",k.length));b=q.ext.legacy.ajax;return null===b?a.sAjaxSource?g:n:b?g:n}function zb(a,b){var c=function(a,c){return b[a]!==n?b[a]:b[c]},d=va(a,b),e=c("sEcho","draw"),h=c("iTotalRecords",
-"recordsTotal");c=c("iTotalDisplayRecords","recordsFiltered");if(e){if(1*e<a.iDraw)return;a.iDraw=1*e}pa(a);a._iRecordsTotal=parseInt(h,10);a._iRecordsDisplay=parseInt(c,10);e=0;for(h=d.length;e<h;e++)R(a,d[e]);a.aiDisplay=a.aiDisplayMaster.slice();a.bAjaxDataGet=!1;S(a);a._bInitComplete||wa(a,b);a.bAjaxDataGet=!0;J(a,!1)}function va(a,b){a=f.isPlainObject(a.ajax)&&a.ajax.dataSrc!==n?a.ajax.dataSrc:a.sAjaxDataProp;return"data"===a?b.aaData||b[a]:""!==a?T(a)(b):b}function tb(a){var b=a.oClasses,c=
-a.sTableId,d=a.oLanguage,e=a.oPreviousSearch,h=a.aanFeatures,g='<input type="search" class="'+b.sFilterInput+'"/>',k=d.sSearch;k=k.match(/_INPUT_/)?k.replace("_INPUT_",g):k+g;b=f("<div/>",{id:h.f?null:c+"_filter","class":b.sFilter}).append(f("<label/>").append(k));var l=function(){var b=this.value?this.value:"";b!=e.sSearch&&(ha(a,{sSearch:b,bRegex:e.bRegex,bSmart:e.bSmart,bCaseInsensitive:e.bCaseInsensitive}),a._iDisplayStart=0,S(a))};h=null!==a.searchDelay?a.searchDelay:"ssp"===I(a)?400:0;var m=
+"recordsTotal");c=c("iTotalDisplayRecords","recordsFiltered");if(e!==n){if(1*e<a.iDraw)return;a.iDraw=1*e}pa(a);a._iRecordsTotal=parseInt(h,10);a._iRecordsDisplay=parseInt(c,10);e=0;for(h=d.length;e<h;e++)R(a,d[e]);a.aiDisplay=a.aiDisplayMaster.slice();a.bAjaxDataGet=!1;S(a);a._bInitComplete||wa(a,b);a.bAjaxDataGet=!0;J(a,!1)}function va(a,b){a=f.isPlainObject(a.ajax)&&a.ajax.dataSrc!==n?a.ajax.dataSrc:a.sAjaxDataProp;return"data"===a?b.aaData||b[a]:""!==a?T(a)(b):b}function tb(a){var b=a.oClasses,
+c=a.sTableId,d=a.oLanguage,e=a.oPreviousSearch,h=a.aanFeatures,g='<input type="search" class="'+b.sFilterInput+'"/>',k=d.sSearch;k=k.match(/_INPUT_/)?k.replace("_INPUT_",g):k+g;b=f("<div/>",{id:h.f?null:c+"_filter","class":b.sFilter}).append(f("<label/>").append(k));var l=function(){var b=this.value?this.value:"";b!=e.sSearch&&(ha(a,{sSearch:b,bRegex:e.bRegex,bSmart:e.bSmart,bCaseInsensitive:e.bCaseInsensitive}),a._iDisplayStart=0,S(a))};h=null!==a.searchDelay?a.searchDelay:"ssp"===I(a)?400:0;var m=
 f("input",b).val(e.sSearch).attr("placeholder",d.sSearchPlaceholder).on("keyup.DT search.DT input.DT paste.DT cut.DT",h?Ra(l,h):l).on("mouseup",function(a){setTimeout(function(){l.call(m[0])},10)}).on("keypress.DT",function(a){if(13==a.keyCode)return!1}).attr("aria-controls",c);f(a.nTable).on("search.dt.DT",function(b,c){if(a===c)try{m[0]!==w.activeElement&&m.val(e.sSearch)}catch(u){}});return b[0]}function ha(a,b,c){var d=a.oPreviousSearch,e=a.aoPreSearchCols,h=function(a){d.sSearch=a.sSearch;d.bRegex=
 a.bRegex;d.bSmart=a.bSmart;d.bCaseInsensitive=a.bCaseInsensitive},g=function(a){return a.bEscapeRegex!==n?!a.bEscapeRegex:a.bRegex};Ja(a);if("ssp"!=I(a)){Ab(a,b.sSearch,c,g(b),b.bSmart,b.bCaseInsensitive);h(b);for(b=0;b<e.length;b++)Bb(a,e[b].sSearch,b,g(e[b]),e[b].bSmart,e[b].bCaseInsensitive);Cb(a)}else h(b);a.bFiltered=!0;A(a,null,"search",[a])}function Cb(a){for(var b=q.ext.search,c=a.aiDisplay,d,e,h=0,g=b.length;h<g;h++){for(var k=[],l=0,m=c.length;l<m;l++)e=c[l],d=a.aoData[e],b[h](a,d._aFilterData,
 e,d._aData,l)&&k.push(e);c.length=0;f.merge(c,k)}}function Bb(a,b,c,d,e,h){if(""!==b){var g=[],k=a.aiDisplay;d=Sa(b,d,e,h);for(e=0;e<k.length;e++)b=a.aoData[k[e]]._aFilterData[c],d.test(b)&&g.push(k[e]);a.aiDisplay=g}}function Ab(a,b,c,d,e,h){e=Sa(b,d,e,h);var g=a.oPreviousSearch.sSearch,k=a.aiDisplayMaster;h=[];0!==q.ext.search.length&&(c=!0);var f=Db(a);if(0>=b.length)a.aiDisplay=k.slice();else{if(f||c||d||g.length>b.length||0!==b.indexOf(g)||a.bSorted)a.aiDisplay=k.slice();b=a.aiDisplay;for(c=